Open‑Source MQTT WeChat Mini‑Program v5.2 Adds Battery Monitoring

This guide shows how to use MQTT to integrate lithium‑ion battery voltage, state‑of‑charge and health data from an ESP8266 into Home Assistant and a WeChat mini‑program, providing configuration examples, JSON payloads, and links to the fully open‑source repositories.

Battery MonitoringESP8266Home Assistant

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Open‑Source MQTT WeChat Mini‑Program v5.2 Adds Battery Monitoring

Black & White Path

May 15, 2026 · Fundamentals

Real‑Time Battery Monitoring with MAX17048 and ESP8266 via MQTT

This tutorial shows how to use a MAX17048 fuel‑gauge module with an ESP8266 (or ESP32) to read voltage, state‑of‑charge and charge‑rate of a 18650 Li‑ion cell, wire the hardware correctly, calibrate the sensor, and publish the data in real time through MQTT for remote monitoring.

Battery MonitoringESP8266IoT

0 likes · 4 min read

Real‑Time Battery Monitoring with MAX17048 and ESP8266 via MQTT